es_ES: Update spanish translations

PatchSet 2-3:  Restore AOSP header

PatchSet   4:  Replace double quotes to angle quotes
               (http://www.rae.es guidelines)

PatchSet   5:  Navigation Quick launch translations

PatchSet   6:  Volume tile

PatchSet   7:  Revert to AOSP strings, except fixed translations approved

Change-Id: I59a065e44e6a217e374f44be6e385133406a9606
Merge "es_ES: Update spanish translations" into cm-10.1
Status bar clock color and tablet status bar icon scaling options

Change-Id: I871f99a12db3b7ececa817c8b4808c13b33f922b
Merge branch 'sgt7' into CM10.1
Merge branch 'CyanogenMod' into CM10.1